Time Capsules in America Introduction

An introduction to time capsules, a way of passing information to future generations, history of the devices in America.

TIME CAPSULES IN AMERICA

Time capsules are primarily a 20th-century phenomenon. Prior to the 1930s, capsules were no more than strongboxes or cornerstones filled with a few photographs or newspapers. The last five decades, however, have seen many serious and half-serious efforts to preserve civilization for future generations. The following are among those that await mankind years hence.